Hi all,

Just a little update on this topic. We are testing centos-atomic as base image for some weeks now (around from my last mail on this thread) with no problems. Most of our tests usage are actually to encapsulate build tools for CI purposes (rpmbuild tools, some SCL based versions of ruby or other languages, java...). Following these encouraging results, we will migrate more long living tests containers usecases to this new base image.

If someone have any update on this topic, I will be happy to heard about it :)

Have a nice day.

Regards.


----- Le 28 Mar 17, à 8:37, Mohammed Ahmed <moahmed@redhat.com> a écrit :


On Mon, Mar 27, 2017 at 9:58 PM, Baptiste Agasse <baptiste.agasse@lyra-network.com> wrote:
Hi,

----- Le 20 Mar 17, à 19:34, Karanbir Singh mail-lists@karan.org a écrit :

> hi
>
> Alpha2: registry.centos.org/kbsingh/centos-atomic:7-alpha2
>
> The CentOS Atomic Container is a minimal ( 30MB on disk ) image that can
> be used to host static content, and small footprint content that does
> not need the entire CentOS Linux Base image. This is also not meant to
> replace CentOS Linux Base image as the default, we want to make it
> available as an additional container base for apps that find it useful.
>
> The main highlight is that it does not contain yum, but has microdnf.
>
> I am looking for feedback, and some wider testing as well as
> recommendations on howto further reduce size,  before we move to
> release. You can consume this as :

This is very nice to see this :)

I am definitely interested in this feedback as well considering my hand in bringing down to 87 mb :)

Maybe we can align the content of /usr/share/i18n/locale with the localedef --list-archive output:

centos-atomic:7-alpha2 image (unmodified):
bash-4.2# du -sh /usr/share/i18n/locales/
6.3M    /usr/share/i18n/locales/

bash-4.2# rm -f $(find /usr/share/i18n/locales/ -type f -print0 | grep -Fxvz -f <(localedef --list-archive | cut -d '.' -f1) | xargs -0)
bash-4.2# du -sh /usr/share/i18n/locales/
12K     /usr/share/i18n/locales/

These files are provided by the glibc-common package so any update of this one will restore these files. This problem seems to be solved by https://bugzilla.redhat.com/show_bug.cgi?id=1238406 (Glibc locale subpackaging) which is not on EL7.

After squashing layers, we have this:
registry.centos.org/kbsingh/centos-atomic              7-alpha2            d9a1bafb8e8f        9 days ago           87.18 MB
registry.centos.org/kbsingh/centos-atomic              7-alpha3            466a18a77e90        11 seconds ago       81.41 MB

Have a nice day.

Regards.

>
> docker run -t -i \
>  registry.centos.org/kbsingh/centos-atomic:7-alpha2 \
>  /bin/bash
>
> regards
>
> --
> Karanbir Singh
> +44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh
> GnuPG Key : http://www.karan.org/publickey.asc
> _______________________________________________
> CentOS-devel mailing list
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> https://lists.centos.org/mailman/listinfo/centos-devel

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